Mosh: An Interactive Remote Shell for Mobile Clients

Provided by: MIT
Topic: Mobility
Format: PDF
Mosh (mobile shell) is a remote terminal application that supports intermittent connectivity, allows roaming, and speculatively and safely echoes user keystrokes for better interactive response over high-latency paths. Mosh is built on the State Synchronization Protocol (SSP), a new UDP-based protocol that securely synchronizes client and server state, even across changes of the client's IP address. Mosh uses SSP to synchronize a charactercell terminal emulator, maintaining terminal state at both client and server to predictively echo keystrokes. The authors' evaluation analyzed keystroke traces from six different users covering a period of 40 hours of real-world usage. Mosh was able to immediately display the effects of 70% of the user keystrokes.

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